Cleaning up sprite frames properly
Added size messages to sprite and texture log
Made RefPtr set refCount to 1 on creating a new one
Made dictionary handle replacing existing entries
Changed GetTexture() so that it doesn't automatically use a Dictonary to store textures
Changed GetSprite() so that it doesn't automatically use a Dictonary to store sprites
Removed LibXML2 from CMake
Added Jansson for JSON parsing. Made a parent CMakeLists.txt to openhydorah
Renamed jansson-2.6 to jansson
Changed CMakeLists to use jansson
Changed test.spr to JSON
Made RefPtr handle more NULL cases
Made sprite.c read JSON